CN109870961A - Support the time relay and correspondence system of running parameter NFC transmission - Google Patents
Support the time relay and correspondence system of running parameter NFC transmission Download PDFInfo
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- CN109870961A CN109870961A CN201910227046.XA CN201910227046A CN109870961A CN 109870961 A CN109870961 A CN 109870961A CN 201910227046 A CN201910227046 A CN 201910227046A CN 109870961 A CN109870961 A CN 109870961A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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Abstract
The present invention relates to a kind of time relays and correspondence system that the NFC for supporting running parameter is transmitted.According to an aspect of the present invention, a kind of relay is proposed, comprising: bang-bang circuit, for realizing switching function based on relay running parameter；And near field communication module, it is coupled with the bang-bang circuit, and it can be communicated with external NFC read-write equipment, wherein, the near field communication module further includes parameter storage unit, the parameter storage unit is used for storage relay running parameter, the relay running parameter stored can be by the external NFC read-write equipment read and write access, and it can be by the time relay control circuit read and write access, wherein, the time relay control circuit can be based on identical or mutually compatible data encapsulating structure with the external NFC read-write equipment parsing, it include the message package of relay running parameter near field communication module exchange.Above-mentioned relay can be the time relay.
Description
Technical field
The invention belongs to technical field of industrial control, in particular it relates to which a kind of support running parameter NFC is transmitted
The time relay and correspondence system.
Background technique
The time relay is widely used in industrial control system, matches for realizing the timing optimization of industrial control system
It sets.Main product is had become using the electronical time relay of integrated circuit technique at present, can not only set a variety of work
Mode, and than relatively accurately setting time parameter.
The parameter setting mode of usual electronical time relay can be divided into two classes: the first kind is by with number, word
Female or figure idler wheel driver plate (or one group of toggle switch) is constituted, and such product is disadvantageous in that time setting accuracy
Poor, the function that can be set is limited；Second class is made of key module and display module, can provide a greater number inhomogeneity
The functional mode selection of type and higher time setting accuracy.Although the second class product has been provided certain human-computer interaction and arranges
It applies, but since the limitation of the space of product and cost constraint make the input-output means of the time relay not abundant enough, because of this person
The process that needs to spend the more time that could complete setup parameter.
Need a kind of significantly more efficient time relay parameter Transmission system and implementation method, to solve the current time after
The problems such as electric appliance setting accuracy is poor, set-up function is limited and man-machine interaction mode is not abundant enough.
Summary of the invention
In order to solve the problems, such as that current time relay setup parameter process, the present invention propose a kind of support work
The time relay and correspondence system of the NFC transmission of parameter, so that being furnished with the mobile device of NFC function and equipped with NFC function
The time relay is able to carry out running parameter transmission.
According to the present invention, above-mentioned purpose will be realized through the following technical scheme:
According to an aspect of the present invention, a kind of relay is proposed, comprising: bang-bang circuit, for being based on relay
Running parameter realizes switching function；And near field communication module, coupled with the bang-bang circuit, and can and it is external
NFC read-write equipment communication, wherein the near field communication module further includes parameter storage unit, and the parameter storage unit is used for
Storage relay running parameter, the relay running parameter stored can by the external NFC read-write equipment read and write access, and
It and can be by the bang-bang circuit read and write access, wherein the bang-bang circuit and the external NFC read-write equipment solution
It analyses based on identical or mutually compatible data encapsulating structure is taken, includes relay running parameter near field communication module exchange
Message package.
In above-mentioned relay, the near field communication module is able to respond and is set from the external NFC read-write in receiving
The parameter storage unit is written in the message package by standby message package.
In above-mentioned relay, the relay further includes the HMI faceplate with key module and display module, it is described after
The parameter storage unit can be written in the relay running parameter set by the HMI faceplate by electric control circuit.
In above-mentioned relay, the bang-bang circuit will can be set by the HMI faceplate in the following manner
Relay running parameter the parameter storage unit is written: calculate a part of check code as relay running parameter；It will
Relay running parameter comprising check code is encapsulated as message package；The parameter storage is written into the message package；From described
Parameter storage reads and parses relay running parameter；Based on the check code, the relay running parameter for verifying reading is
It is no correct.
In above-mentioned relay, the near field communication module includes for wirelessly communicating with the external NFC read-write equipment
First interface, and including the second interface for being communicated with the bang-bang circuit, the communication protocols of the second interface
View is different from the first interface.
In above-mentioned relay, the first interface is RF interface, and the second interface is I2C interface.
In above-mentioned relay, the parameter storage unit of the near-field communication module can be outer in relay off-mode
Portion's NFC device read and write access.
In above-mentioned relay, the bang-bang circuit is based on microcontroller, or based on universal cpu.
In above-mentioned relay, the parameter storage unit in the near-field communication module is EEPROM.
In above-mentioned relay, the near field communication module includes NFC chip, and the parameter storage unit is located at described
In NFC chip.
In above-mentioned relay, the relay running parameter being stored in the parameter storage unit is encapsulated as NDEF and disappears
Breath, the NDEF message encapsulating structure include: can not by the NFC read-write equipment rewrite protected data region and energy
Enough data area is modified by what the NFC read-write equipment was rewritten.
In above-mentioned relay, the protected data region can not be modified by the HMI faceplate of the relay, institute
Data area can be modified by, which stating, to be modified by the user-machine interface HMI faceplate of the relay.
In above-mentioned relay, the bang-bang circuit accesses the parameter storage list in relay starting up's stage
Member simultaneously loads the relay running parameter that access obtains.
Above-mentioned relay can be the time relay, and above-mentioned bang-bang circuit can be time relay control electricity
Road.
According to another aspect of the present invention, a kind of relay parameter Transmission system is proposed, comprising: above-mentioned relay；
External NFC read-write equipment, external NFC read-write equipment can include with the exchange of the near field communication module of the relay
The message package of relay running parameter.
In above-mentioned relay parameter Transmission system, the relay can be read and write in off-mode by the external NFC
Equipment read and write access.
The present invention makes base by being included in running parameter update and access mechanism based on NFC in the time relay
It is compatible with simultaneously on data encapsulation format in both the running parameter transmission of NFC and the running parameter setting based on traditional interface HMI
It is interactively with each other, enrich the running parameter access and update mechanism of the time relay, behaviour of the convenient user to the time relay
Make.
Detailed description of the invention
It is to provide a further understanding of the present invention including attached drawing, they are included and constitute part of this application,
Attached drawing shows the embodiment of the present invention, and plays the role of explaining the principle of the invention together with this specification.In attached drawing:
Figure 1A is a kind of schematic diagram of time relay that technical solution of the present invention can be used.When Figure 1B is shown in figure 1A
Between relay explosive view.
Fig. 2 shows time relay parameter Transmission systems according to an embodiment of the present invention.
Fig. 3 shows a specific implementation example of the time relay parameter Transmission system of Fig. 2.
The NFC read-write equipment that Fig. 4 shows embodiment according to the present invention reads the exemplary flow of parameter near field communication module
Journey.
Fig. 5 shows the NFC read-write equipment of embodiment according to the present invention to the exemplary flow of near field communication module write parameters
Journey.
The time relay control circuit that Fig. 6 shows embodiment according to the present invention passes through I2The example of C interface reading parameter
Process.
The time relay control circuit that Fig. 7 shows embodiment according to the present invention passes through I2The example of C interface write parameters
Process.
Fig. 8 shows the example of EEPROM encapsulating structure.
Specific embodiment
Technical term used herein is defined as follows:
In the following description, with reference to each embodiment, present invention is described.However, those skilled in the art will recognize
Know can in the case where none or multiple specific details or with other replacements and/or addition method, material or component
Implement each embodiment together.In other situations, well known structure, material or operation are not shown or are not described in detail in order to avoid making this
The aspects of each embodiment of invention is obscure.Similarly, for purposes of explanation, specific quantity, material and configuration are elaborated, with
Comprehensive understanding to the embodiment of the present invention is just provided.However, the present invention can be implemented in the case where no specific detail.This
Outside, it should be understood that each embodiment shown in the accompanying drawings is illustrative expression and is not drawn necessarily to scale.
One, system topology
Figure 1A is a kind of schematic diagram of time relay 10 that technical solution of the present invention can be used.Figure 1B is shown in figure 1A
The explosive view of the time relay 10.As shown in Figure 1B, this time relay 10 includes left shell 2 and right shell body 3, is placed in shell
In circuit board 4, and the guide assembly 5 for being mounted on shell on guide rail (for example, DIN guide rail).Further such as Figure 1B institute
Show, it may include key in HMI faceplate component 1 that this time relay 10, which may also include HMI (man-machine interface) panel assembly 1,
Module and display module.
Fig. 2 shows time relay parameter Transmission systems according to an embodiment of the present invention.With Conventional temporal relay product
Similar, the system of Fig. 2 includes time relay control circuit, for example, a kind of time relay control circuit based on microcontroller
230；Alternatively, the time relay control circuit based on general processor also can be used.In addition, the system of Fig. 2 further includes
NFC read-write equipment 210 and near field communication module 220.One kind can be passed through between NFC read-write equipment 210 and near field communication module 220
Interface (for example, RF interface) communicates to realize, and can be connect by another kind between near field communication module 220 and microcontroller 230
Mouth is (for example, I2C interface) it is communicated to realize.
Typically, but unrestricted, near field communication module 220 may be provided at the face HMI of the time relay shown in Figure 1B
In board group part 1, microcontroller 230 is arranged in circuit board 4.The specific implementation that Fig. 3 shows this typical realisation is shown
Example.As shown in figure 3, NFC read-write equipment 210 can be mobile device or NFC connection equipment, correspondingly, in HMI faceplate component
Near field communication module 220 may include realize NFC function needed for NFC chip.As needed, which can further wrap
Include interface circuit and control circuit.The NFC chip may include parameter storage unit, or in a suitable manner near field communication module
Parameter storage unit coupling in 220.Antenna structure (the RF line of induction needed for realizing NFC function is further illustrated in Fig. 3
Circle).
By taking the time relay near-field communication parameter Transmission system of Fig. 2 as an example, working principle of the present invention is as follows: pass through RF
Interface and I2C interface can in the near field communication module 220 inside access time relay parameter storage unit (for example,
EEPROM)；On this basis, NFC read-write equipment 210 and microcontroller 230 can one piece in agreement parameters storage unit it is common
Storage region and follow identical parameter storage specification, realize the entire mistake that parameter transmission is carried out in a manner of near-field communication whereby
Journey.Pass through RF interface or I2After C interface has updated the data in EEPROM, the data in the data block can be persisted
In EEPROM, which can be loaded and parse in time relay starting up in the stage, to obtain time relay operation
Required parameter.
The technical detail of each building block in embodiment described further below.These technical details are understood as illustrating
Property, and not restrictive.
1.NFC read-write equipment
NFC read-write equipment 210 usually can be the mobile device with NFC function or communicate with USB or RS232 etc.
The NFC reader of interface, effect are to transmit work capacity and data for the near field communication module 220 in the time relay 10.
The course of work of NFC read-write equipment 210 is, by the RF transmitting coil of NFC read-write equipment close to the time relay 10
In near field communication module 220 RF induction coil, NFC read-write equipment 210 can in the form of electromagnetic field to the time relay 10
In near field communication module 220 transmit power supply energy and carry out data communication.
2.RF induction coil
The example implementations of RF induction coil may is that on FPC (flexible circuit board) with certain trace width
The spiral coil of certain the number of turns is drawn, the both ends of spiral coil are connected to the antenna leads of NFC chip.Its effect is to lead to
The electromagnetic field for crossing the generation of NFC read-write equipment 210 obtains the work capacity and data of NFC chip.
3.EEPROM storage
The non-volatile storage space of certain capacity be may be provided in the NFC chip of near field communication module 220 as parameter
Storage unit, effect are various parameters required for storage time relay works, in RF interface and I2In C interface communication
Play function served as bridge.The content of parameter storage unit can be read and write by both NFC read-write equipment 210 and microcontroller 230, at that time
Between after relay starting up, content can be read and be parsed by microcontroller 230.The message format of near-field communication can follow
NDEF specification, information architecture are as shown in Fig. 8.
As a kind of possible variation, the parameter storage unit near field communication module 220 can be placed in outside NFC chip.
4. microcontroller
On circuit board 4 inside the time relay 10 according to the present invention, trigger signal can be realized by microcontroller 230
The function of acquisition and relay control.In embodiments herein, microcontroller 230 can pass through I2C bus connects NFC core
Piece, and the data in memory can be written and read according to the read-write protocol that NFC chip defines.
Two, parameter transmission method
According to an embodiment of the invention, may include two parts using the method that near-field communication carries out parameter transmission: 1) RF connects
The parameter transmission of mouth；2)I2The parameter of C interface is transmitted.
The exemplary implementation method of 1.RF interface parameters transmission
1.1 NFC read-write equipments read parameter from RF interface
As shown in figure 4, NFC read-write equipment 210 initiates communication first asks when NFC read-write equipment 210 is close to RF coil
It asks, then the near field communication module 220 in the time relay 10 can switch IDLE state to ACTIVE state, and then NFC reads and writes
Equipment 210 initiates READ operation, and NFC read-write equipment 210 can obtain NDEF message package later.Parse NDEF message package, NFC read-write
Equipment 210 can obtain the various parameters of the time relay.
Since the information of 220 inside EEPROM of near field communication module can be according to the arrangement of NDEF format, NDEF message
The encapsulation parameter of the time relay 10, thus parameter may be implemented by this method and read from the time relay 10 to NFC
The transmission process of write device 210.
1.2 NFC read-write equipments are to RF interface write parameters
As shown in figure 5, NFC read-write equipment 210 initiates communication first asks when NFC read-write equipment 210 is close to RF coil
It asks, then the near field communication module 220 in the time relay 10 can switch to ACTIVE state from IDLE state, and then NFC is read
Write device 210 initiates WRITE operation, and the various parameters of the time relay 10 are packaged into NDEF lattice by NFC read-write equipment 210 later
Near field communication module 220 is written in the message of formula.In order to ensure write-in data are effective, it is sometimes desirable to there is the mistake of data check
Journey, NFC read-write equipment 210 need again to read the parameter in the time relay, and are verified with write-in data before, school
The process that result correctly then completes RF interface write parameters is tested, otherwise needs to restart the operation of a wheel write parameters.
2.I2The implementation method of C interface parameter transmission
2.1 time relay control circuits are from I2C interface reads parameter
As shown in fig. 6, the time relay 10 is to obtain the parameter being written from RF interface, it is necessary to pass through I2C interface into
Row data communication.The time relay 10 be switched on when, microcontroller can from EEPROM read data into memory variable, then into
Row data complete checks, if parameter correctly if be loaded into the time relay operation program in, otherwise whether will be prompted to user
Restore default setting, thus by the Parameter reconstruction of the time relay 10 at preset setting.
2.2 time relay control circuits are to I2C interface write parameters
As shown in fig. 7, various parameters can be set from the HMI faceplate of the time relay, once user's selection saves ginseng
Number, microcontroller internal processes can calculate a part of check code as parameter, and be packaged into NDEF message, and it is logical that near field is then written
The eeprom memory of module is interrogated, microcontroller can read again parameter after write-in, and it is whether correct for verifying data, if school
It tests correctly, then completes parameter writing process, the parameter after being modified with NFC read-write equipment later, no person will again
Execute the writing process of parameter.
Three, EEPROM data encapsulating structure
NFC read-write equipment and microcontroller need to defer to common data encapsulating structure, could mutual configured transmission.?
Several NDEF message are defined in EEPROM, each NDEF message contains NDEF message header and data payload area.
Fig. 8 shows the example of EEPROM encapsulating structure.According to an embodiment of the invention, can be by the parameter of the time relay 10
It is divided into 2 kinds: protected data region and data area can be modified.Wherein, the storage of protected data region and the time relay produce
The relevant information of product, as company-information VENDOR_ID, Product Family identifier FAMILY_ID, configuration version CFG_VERSION,
The information such as software/hardware version HW/SW_VERSION, product ID SERIAL_NUMBER and product description DEVICE_NAME,
These usual information are written by manufacturing process, not will do it rewriting in time relay use process.
Type FUNC, chronomere UNIT, time value VALUE of the data area for resting period relay 10 can be modified
It can be modified by the HMI faceplate of NFC read-write equipment or the time relay with information, these usual information such as password PASSWORD.
The bridge that data area region is the transmission of time relay parameter can be modified.
Provide the parameter transmission plan based on near-field communication of the time relay by way of example above.Based on the application
Scheme, user can modification time relay in a flexible way parameter, and acquisition time relay operating status.According to
The present invention, the direct operation of user is the operation to NFC read-write equipment, without removing operational relay as traditional approach,
This makes the industry control scheme based on such time relay more easy to be easy-to-use, and has sufficient customizability.The time after
It further include that can normally can also be carried out when time relay non-transformer inputs using the advantages of near field communication technology on electric appliance
The transmission and update of parameter.
It is also pointed out that those skilled in the art can although above embodiments are described using the time relay as example
With understanding, technology proposed by the invention is not limited to the time relay, but is suitable for various types of according to after electrical parameter
The relay of relay function is provided, correspondingly, what is transmitted is also not necessarily limited to delay parameter after electrical parameter.
Basic conception has been described above, it is clear that those skilled in the art, above-mentioned disclosure as just
Example, and do not constitute the restriction to the application.Although do not clearly state herein, those skilled in the art may be to this
Application is carry out various modifications, improves and is corrected.Such modification, improvement and amendment are proposed in this application, so such modification,
It improves, correct the spirit and scope for still falling within the embodiment of the present application.
Claims (16)
1. a kind of relay characterized by comprising
Bang-bang circuit, for realizing switching function based on relay running parameter；And
Near field communication module is coupled with the bang-bang circuit, and can be communicated with external NFC read-write equipment,
Wherein, the near field communication module further includes parameter storage unit, and the parameter storage unit is used for storage relay work
Make parameter, the relay running parameter stored can be by the external NFC read-write equipment read and write access, and can be by described
Bang-bang circuit read and write access,
Wherein, the bang-bang circuit can be based on identical or mutually compatible data with the external NFC read-write equipment parsing
Encapsulating structure includes the message package of relay running parameter near field communication module exchange.
2. relay as described in claim 1, which is characterized in that the near field communication module is able to respond and comes from receiving
The message package of the external NFC read-write equipment, is written the parameter storage unit for the message package.
3. relay as described in claim 1, which is characterized in that the relay further includes with key module and display mould
The HMI faceplate of block, the bang-bang circuit can will the relay running parameter that set by the HMI faceplate write-in described in
Parameter storage unit.
4. relay as claimed in claim 3, which is characterized in that the bang-bang circuit will can lead in the following manner
The parameter storage unit is written in the relay running parameter for crossing the HMI faceplate setting:
Calculate a part of check code as relay running parameter；
Relay running parameter comprising check code is encapsulated as message package；
The parameter storage is written into the message package；
It is read from the parameter storage and parses relay running parameter；
Based on the check code, whether the relay running parameter for verifying reading is correct.
5. relay as described in claim 1, which is characterized in that the near field communication module includes being used for and the outside
The first interface of NFC read-write equipment wireless communication, and including the second interface for being communicated with the bang-bang circuit, institute
The communication protocol for stating second interface is different from the first interface.
6. relay as claimed in claim 5, which is characterized in that the first interface is RF interface, and the second interface is
I2C interface.
7. relay as described in claim 1, which is characterized in that the parameter storage unit of the near-field communication module can be
Relay off-mode is by external NFC devices read and write access.
8. relay as described in claim 1, which is characterized in that the bang-bang circuit is based on microcontroller or base
In universal cpu.
9. relay as described in claim 1, which is characterized in that the parameter storage unit in the near-field communication module
It is EEPROM.
10. relay as described in claim 1, which is characterized in that the near field communication module includes NFC chip, the ginseng
Number storage unit is located in the NFC chip.
11. relay as described in claim 1, which is characterized in that the relay work being stored in the parameter storage unit
Be encapsulated as NDEF message as parameter, the NDEF message encapsulating structure include: can not be rewritten by the NFC read-write equipment by
Data area is protected, and data area can be modified by what the NFC read-write equipment was rewritten.
12. relay as claimed in claim 11, which is characterized in that the protected data region can not pass through the relay
The HMI faceplate of device is modified, it is described modify data area can by the user-machine interface HMI faceplate of the relay come
Modification.
13. relay as claimed in claim 11, which is characterized in that it is characterized in that, the bang-bang circuit is in relay
Device starting up accesses the parameter storage unit stage and loads the relay running parameter that access obtains.
14. the relay as shown in any one of claim 1-13, which is characterized in that the relay is the time relay.
15. a kind of relay parameter Transmission system, comprising:
Relay as described in any one of claim 1-14,
External NFC read-write equipment can be exchanged with the near field communication module of the relay comprising relay work ginseng
Several message packages.
16. a kind of relay system as claimed in claim 15, which is characterized in that the relay can be in off-mode quilt
The external NFC read-write equipment read and write access.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910227046.XA CN109870961A (en) | 2019-03-25 | 2019-03-25 | Support the time relay and correspondence system of running parameter NFC transmission |
| PCT/CN2020/075506 WO2020192304A1 (en) | 2019-03-25 | 2020-02-17 | Timing relay supporting nfc transmission of working parameter and corresponding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910227046.XA CN109870961A (en) | 2019-03-25 | 2019-03-25 | Support the time relay and correspondence system of running parameter NFC transmission |
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| Publication Number | Publication Date |
|---|---|
| CN109870961A true CN109870961A (en) | 2019-06-11 |
Family
ID=66921156
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|---|---|---|---|
| CN201910227046.XA Pending CN109870961A (en) | 2019-03-25 | 2019-03-25 | Support the time relay and correspondence system of running parameter NFC transmission |
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| Country | Link |
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| CN (1) | CN109870961A (en) |
| WO (1) | WO2020192304A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020192304A1 (en) * | 2019-03-25 | 2020-10-01 | 菲尼克斯亚太电气（南京）有限公司 | Timing relay supporting nfc transmission of working parameter and corresponding system |
| CN114826336A (en) * | 2022-05-09 | 2022-07-29 | 青岛海信日立空调***有限公司 | Air conditioner outdoor unit and air conditioner |
| CN114826336B (en) * | 2022-05-09 | 2023-10-31 | 青岛海信日立空调***有限公司 | Air conditioner outdoor unit and air conditioner |
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| WO2020192304A1 (en) | 2020-10-01 |
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